本文从环境振动的影响出发，基于Raylei曲波理论研究了层状地基土模型 的频散曲线、截止频率等特性，利用遗传算法对地基土剪切波速进行了反演，进 而得到地基土的其它动参数。(In this paper, based on the influence of environmental vibration, based on the Raylei Qu Bo theory, the layered soil model is studied. With the characteristics o